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API Access

API Access

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Aptos Build is currently in beta. Please report any problems you encounter by creating an issue in the aptos-core repo. Report an issue.

Getting Started

Historically, Aptos Labs hosted APIs have been accessible without the need for an API key. While anonymous access is still permitted, it is subject to lower rate limits to ensure fair and reliable use of our services. Over time, these limits may be reduced further to maintain optimal performance and prevent abuse. For developers needing consistent and higher levels of access, you must create an Aptos Build account and attach an API key to all requests you make to Labs hosted APIs. This will provide you with greater reliability, higher rate limits, and useful metrics to track your usage.

  1. Create an Aptos Build account here.
  2. Create a new project. See the guidance about project types to decide which to use.
  3. Attach API keys to all requests made from your project. On the project page you will see code snippets demonstrating how to attach an API key to your requests.

If you believe the free tier quotas (see the quotas documentation) are too low for your use case, before step 3 you can take out a billing plan that will grant you higher quotas. You can do this here.

IntroductionAPI Keys